000 00256nam a2200109Ia 4500
100 _aHelms, Harry
942 _cBK
245 _aThe Mc-Graw hill computer handbook
260 _aMcGraw Hill, New York
_c1983
082 _aR001.64/M.C.H. Hel
300 _axv,781
999 _c68038
_d68038